Kuraray Co., Ltd.

Kurarayco., Ltd.

Motomi Matsushima

Hideharu Iwasaki

Shohei Kobayashi

Taketoshi Okuno

Seiya Kimachi

The present invention relates to a carbonaceous material which is derived from a plant, having a specific surface area of 1800 to 3000 m/g as measured by a BET method, a hydrogen element content of 0.42% by mass or less and an oxygen element content of 1.5% by mass or less.

Carbonaceous material and method for producing same

An object of the present invention is to provide a carbonaceous material used for an electric double layer capacitor having a high electrostatic capacity and capable of maintaining the high electrostatic capacity and energy density over a long period and a method for producing the same. The present invention relates to a carbonaceous material having a specific surface area of 1,200 m/g to 1,800 m/g according to a BET method, an R-value of 1.2 or more and a G-band half-value width of 70 cmor more according to a Raman spectrum.

Carbonaceous material, and electrode material for electric double layer capacitor, electrode for electric double layer capacitor and electric double layer capacitor that contain carbonaceous material

The present invention relates to a carbonaceous material having a specific surface area of 1,800 m/g to 3,000 m/g according to a BET method, an R-value of 1.2 or more and a G-band half-value width of 70 cmor more according to a Raman spectrum.

Carbonaceous material, carbonaceous material-containing electrode material for electric double layer capacitor, electrode for electric double layer capacitor, and electric double layer capacitor

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Kurashiki, Japan

Motomi Matsushima